gimmick/beginner problem

Hello! I am a card guy, and the only gimmicks I have are the invisible deck, a Svengali, and a deck of NOC gaffs. I got some spending money and really want to get a trick that I can take everywhere, use for multiple tricks, and doesn't have any specific limitations. Of course this is almost...

Im new to magic and I was wondering if there was a gimmick card that had half of one face and half of another. If there is not one for sale does anyone have any idea how I can make one?

I'm a beginner of making Gimmicks, I waste a lot of Cards just by separating the 1 layer from 2 layered paper. Is there a tutorial or tips you may give me to help me figure out this problem?